- Added solutions by Jan Krnavek.

- Added solutions by Mariano Spadaccini.
- Added solutions by Tyler Wardhaugh.
- Added solutions by Simon Green.
- Added solutions by Lubos Kolouch.
- Added solutions by Solathian.
- Added solutions by Cheok-Yin Fung.
- Added solutions by Matthias Muth.
- Added solutions by Jorg Sommrey.
- Added solutions by BarrOff.
- Added solutions by Bruce Gray.
- Added solutions by Kueppo Wesley.
- Added solutions by Robert Ransbottom.
- Added solutions by Bob Lied.
- Added solutions by Feng Chang.
- Added solutions by Clifton Wood.
- Added solutions by Macy TY.
- Added solutions by Wanderdoc.

27 files changed, 4428 insertions, 4044 deletions

diff --git a/stats/pwc-challenge-001.json b/stats/pwc-challenge-001.json
index 25538a0ae2..33459057a7 100644
--- a/stats/pwc-challenge-001.json
+++ b/stats/pwc-challenge-001.json
@@ -1,18 +1,17 @@
 {
-   "plotOptions" : {
-      "series" : {
-         "dataLabels" : {
-            "format" : "{point.y}",
-            "enabled" : 1
-         },
-         "borderWidth" : 0
-      }
+   "title" : {
+      "text" : "The Weekly Challenge - 001"
    },
    "xAxis" : {
       "type" : "category"
    },
-   "title" : {
-      "text" : "The Weekly Challenge - 001"
+   "subtitle" : {
+      "text" : "[Champions: 69] Last updated at 2023-09-04 00:10:45 GMT"
+   },
+   "tooltip" : {
+      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
+      "followPointer" : 1,
+      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>"
    },
    "chart" : {
       "type" : "column"
@@ -22,12 +21,6 @@
          "text" : "Total Solutions"
       }
    },
-   "subtitle" : {
-      "text" : "[Champions: 69] Last updated at 2023-03-26 10:37:55 GMT"
-   },
-   "legend" : {
-      "enabled" : 0
-   },
    "drilldown" : {
       "series" : [
          {
@@ -41,6 +34,8 @@
             ]
          },
          {
+            "name" : "Adam Russell",
+            "id" : "Adam Russell",
             "data" : [
                [
                   "Perl",
@@ -50,29 +45,27 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Adam Russell",
-            "name" : "Adam Russell"
+            ]
          },
          {
+            "name" : "Ailbhe Tweedie",
+            "id" : "Ailbhe Tweedie",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ],
-            "id" : "Ailbhe Tweedie",
-            "name" : "Ailbhe Tweedie"
+            ]
          },
          {
-            "id" : "Alex Daniel",
-            "name" : "Alex Daniel",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Alex Daniel",
+            "id" : "Alex Daniel"
          },
          {
             "id" : "Ali Moradi",
@@ -85,14 +78,14 @@
             ]
          },
          {
+            "name" : "Andrezgz",
+            "id" : "Andrezgz",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Andrezgz",
-            "name" : "Andrezgz"
+            ]
          },
          {
             "data" : [
@@ -105,8 +98,8 @@
             "name" : "Antonio Gamiz"
          },
          {
-            "name" : "Arne Sommer",
             "id" : "Arne Sommer",
+            "name" : "Arne Sommer",
             "data" : [
                [
                   "Perl",
@@ -123,18 +116,18 @@
             ]
          },
          {
+            "id" : "Arpad Toth",
+            "name" : "Arpad Toth",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Arpad Toth",
-            "name" : "Arpad Toth"
+            ]
          },
          {
-            "name" : "Athanasius",
             "id" : "Athanasius",
+            "name" : "Athanasius",
             "data" : [
                [
                   "Perl",
@@ -153,28 +146,26 @@
             "id" : "Bob Kleemann"
          },
          {
+            "name" : "Bob Lied",
+            "id" : "Bob Lied",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Bob Lied",
-            "id" : "Bob Lied"
+            ]
          },
          {
-            "id" : "Daniel Mantovani",
-            "name" : "Daniel Mantovani",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "name" : "Daniel Mantovani",
+            "id" : "Daniel Mantovani"
          },
          {
-            "name" : "Dave Cross",
-            "id" : "Dave Cross",
             "data" : [
                [
                   "Perl",
@@ -184,7 +175,9 @@
                   "Blog",
                   1
                ]
-            ]
+            ],
+            "id" : "Dave Cross",
+            "name" : "Dave Cross"
          },
          {
             "id" : "Dave Jacoby",
@@ -201,14 +194,14 @@
             ]
          },
          {
-            "id" : "David Kayal",
-            "name" : "David Kayal",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "David Kayal",
+            "id" : "David Kayal"
          },
          {
             "data" : [
@@ -221,8 +214,8 @@
             "id" : "Doug Schrag"
          },
          {
-            "id" : "Duncan C. White",
             "name" : "Duncan C. White",
+            "id" : "Duncan C. White",
             "data" : [
                [
                   "Perl",
@@ -231,24 +224,24 @@
             ]
          },
          {
-            "name" : "Eddy HS",
-            "id" : "Eddy HS",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Eddy HS",
+            "id" : "Eddy HS"
          },
          {
-            "id" : "Finley",
-            "name" : "Finley",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Finley",
+            "id" : "Finley"
          },
          {
             "data" : [
@@ -257,18 +250,18 @@
                   1
                ]
             ],
-            "id" : "Fred Zinn",
-            "name" : "Fred Zinn"
+            "name" : "Fred Zinn",
+            "id" : "Fred Zinn"
          },
          {
-            "id" : "Freddie B",
-            "name" : "Freddie B",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Freddie B",
+            "name" : "Freddie B"
          },
          {
             "name" : "Gustavo Chaves",
@@ -295,8 +288,8 @@
             ]
          },
          {
-            "name" : "James Smith",
             "id" : "James Smith",
+            "name" : "James Smith",
             "data" : [
                [
                   "Perl",
@@ -309,14 +302,14 @@
             ]
          },
          {
-            "name" : "Jeff",
-            "id" : "Jeff",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Jeff",
+            "name" : "Jeff"
          },
          {
             "id" : "Jeremy Carman",
@@ -333,14 +326,14 @@
             ]
          },
          {
-            "name" : "Jim Bacon",
-            "id" : "Jim Bacon",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "name" : "Jim Bacon",
+            "id" : "Jim Bacon"
          },
          {
             "id" : "JJ Merelo",
@@ -357,6 +350,8 @@
             ]
          },
          {
+            "name" : "Jo Christian Oterhals",
+            "id" : "Jo Christian Oterhals",
             "data" : [
                [
                   "Perl",
@@ -370,13 +365,11 @@
                   "Blog",
                   1
                ]
-            ],
-            "name" : "Jo Christian Oterhals",
-            "id" : "Jo Christian Oterhals"
+            ]
          },
          {
-            "id" : "Joelle Maslak",
             "name" : "Joelle Maslak",
+            "id" : "Joelle Maslak",
             "data" : [
                [
                   "Perl",
@@ -389,24 +382,24 @@
             ]
          },
          {
-            "name" : "John Barrett",
-            "id" : "John Barrett",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "name" : "John Barrett",
+            "id" : "John Barrett"
          },
          {
-            "name" : "Jorg Sommrey",
-            "id" : "Jorg Sommrey",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Jorg Sommrey",
+            "id" : "Jorg Sommrey"
          },
          {
             "data" : [
@@ -415,18 +408,18 @@
                   2
                ]
             ],
-            "id" : "Juan Caballero",
-            "name" : "Juan Caballero"
+            "name" : "Juan Caballero",
+            "id" : "Juan Caballero"
          },
          {
+            "id" : "Khalid",
+            "name" : "Khalid",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "id" : "Khalid",
-            "name" : "Khalid"
+            ]
          },
          {
             "id" : "Kian-Meng Ang",
@@ -443,14 +436,14 @@
             ]
          },
          {
-            "name" : "Kivanc Yazan",
-            "id" : "Kivanc Yazan",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Kivanc Yazan",
+            "name" : "Kivanc Yazan"
          },
          {
             "data" : [
@@ -477,6 +470,8 @@
             "name" : "Lars Balker"
          },
          {
+            "id" : "Laurent Rosenfeld",
+            "name" : "Laurent Rosenfeld",
             "data" : [
                [
                   "Perl",
@@ -490,19 +485,21 @@
                   "Blog",
                   1
                ]
-            ],
-            "id" : "Laurent Rosenfeld",
-            "name" : "Laurent Rosenfeld"
+            ]
          },
          {
+            "id" : "Lubos Kolouch",
+            "name" : "Lubos Kolouch",
             "data" : [
                [
                   "Perl",
                   2
+               ],
+               [
+                  "Blog",
+                  1
                ]
-            ],
-            "id" : "Lubos Kolouch",
-            "name" : "Lubos Kolouch"
+            ]
          },
          {
             "data" : [
@@ -511,18 +508,18 @@
                   2
                ]
             ],
-            "id" : "Mark Senn",
-            "name" : "Mark Senn"
+            "name" : "Mark Senn",
+            "id" : "Mark Senn"
          },
          {
-            "id" : "Martin Mugeni",
-            "name" : "Martin Mugeni",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "id" : "Martin Mugeni",
+            "name" : "Martin Mugeni"
          },
          {
             "data" : [
@@ -531,22 +528,20 @@
                   2
                ]
             ],
-            "name" : "Max Kossek",
-            "id" : "Max Kossek"
+            "id" : "Max Kossek",
+            "name" : "Max Kossek"
          },
          {
-            "id" : "Neil Bowers",
-            "name" : "Neil Bowers",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "id" : "Neil Bowers",
+            "name" : "Neil Bowers"
          },
          {
-            "name" : "Nick Logan",
-            "id" : "Nick Logan",
             "data" : [
                [
                   "Perl",
@@ -556,7 +551,9 @@
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Nick Logan",
+            "id" : "Nick Logan"
          },
          {
             "data" : [
@@ -565,8 +562,8 @@
                   2
                ]
             ],
-            "id" : "Oleksii Tsvietnov",
-            "name" : "Oleksii Tsvietnov"
+            "name" : "Oleksii Tsvietnov",
+            "id" : "Oleksii Tsvietnov"
          },
          {
             "id" : "Ozzy",
@@ -579,34 +576,34 @@
             ]
          },
          {
-            "id" : "Pablo Saavedra",
-            "name" : "Pablo Saavedra",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Pablo Saavedra",
+            "id" : "Pablo Saavedra"
          },
          {
-            "id" : "Paulo Custodio",
-            "name" : "Paulo Custodio",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "id" : "Paulo Custodio",
+            "name" : "Paulo Custodio"
          },
          {
-            "id" : "Pavel Jurca",
-            "name" : "Pavel Jurca",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ]
+            ],
+            "name" : "Pavel Jurca",
+            "id" : "Pavel Jurca"
          },
          {
             "id" : "Pete Houston",
@@ -629,12 +626,12 @@
                   1
                ]
             ],
-            "id" : "Philippe Bruhat",
-            "name" : "Philippe Bruhat"
+            "name" : "Philippe Bruhat",
+            "id" : "Philippe Bruhat"
          },
          {
-            "id" : "Prajith P",
             "name" : "Prajith P",
+            "id" : "Prajith P",
             "data" : [
                [
                   "Perl",
@@ -643,8 +640,8 @@
             ]
          },
          {
-            "id" : "Ruben Westerberg",
             "name" : "Ruben Westerberg",
+            "id" : "Ruben Westerberg",
             "data" : [
                [
                   "Perl",
@@ -657,6 +654,8 @@
             ]
          },
          {
+            "id" : "Ryan Thompson",
+            "name" : "Ryan Thompson",
             "data" : [
                [
                   "Perl",
@@ -666,33 +665,29 @@
                   "Raku",
                   2
                ]
-            ],
-            "id" : "Ryan Thompson",
-            "name" : "Ryan Thompson"
+            ]
          },
          {
-            "name" : "Samir Parikh",
-            "id" : "Samir Parikh",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ]
+            ],
+            "name" : "Samir Parikh",
+            "id" : "Samir Parikh"
          },
          {
-            "name" : "Sean Meininger",
-            "id" : "Sean Meininger",
             "data" : [
                [
                   "Raku",
                   2
                ]
-            ]
+            ],
+            "name" : "Sean Meininger",
+            "id" : "Sean Meininger"
          },
          {
-            "id" : "Simon Proctor",
-            "name" : "Simon Proctor",
             "data" : [
                [
                   "Perl",
@@ -706,19 +701,23 @@
                   "Blog",
                   2
                ]
-            ]
+            ],
+            "id" : "Simon Proctor",
+            "name" : "Simon Proctor"
          },
          {
+            "name" : "Simon Reinhardt",
+            "id" : "Simon Reinhardt",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Simon Reinhardt",
-            "id" : "Simon Reinhardt"
+            ]
          },
          {
+            "name" : "Steve Rogerson",
+            "id" : "Steve Rogerson",
             "data" : [
                [
                   "Perl",
@@ -728,9 +727,7 @@
                   "Raku",
                   2
                ]
-            ],
-            "name" : "Steve Rogerson",
-            "id" : "Steve Rogerson"
+            ]
          },
          {
             "data" : [
@@ -753,14 +750,14 @@
             "id" : "Stuart Little"
          },
          {
+            "id" : "Tiago Stock",
+            "name" : "Tiago Stock",
             "data" : [
                [
                   "Perl",
                   1
                ]
-            ],
-            "name" : "Tiago Stock",
-            "id" : "Tiago Stock"
+            ]
          },
          {
             "data" : [
@@ -769,8 +766,8 @@
                   2
                ]
             ],
-            "id" : "Tore Andersson",
-            "name" : "Tore Andersson"
+            "name" : "Tore Andersson",
+            "id" : "Tore Andersson"
          },
          {
             "data" : [
@@ -783,14 +780,14 @@
             "name" : "Veesh Goldman"
          },
          {
+            "name" : "Vinod Kumar K",
+            "id" : "Vinod Kumar K",
             "data" : [
                [
                   "Perl",
                   2
                ]
-            ],
-            "name" : "Vinod Kumar K",
-            "id" : "Vinod Kumar K"
+            ]
          },
          {
             "data" : [
@@ -803,8 +800,8 @@
             "id" : "William Gilmore"
          },
          {
-            "id" : "Yet Ebreo",
             "name" : "Yet Ebreo",
+            "id" : "Yet Ebreo",
             "data" : [
                [
                   "Perl",
@@ -818,40 +815,33 @@
          }
       ]
    },
-   "tooltip" : {
-      "pointFormat" : "<span style='color:{point.color}'>{point.name}</span>: <b>{point.y:f}</b><br/>",
-      "headerFormat" : "<span style='font-size:11px'>{series.name}</span><br/>",
-      "followPointer" : 1
-   },
    "series" : [
       {
-         "name" : "The Weekly Challenge - 001",
-         "colorByPoint" : 1,
          "data" : [
             {
-               "drilldown" : "Abigail",
                "y" : 2,
-               "name" : "Abigail"
+               "name" : "Abigail",
+               "drilldown" : "Abigail"
             },
             {
-               "name" : "Adam Russell",
+               "drilldown" : "Adam Russell",
                "y" : 3,
-               "drilldown" : "Adam Russell"
+               "name" : "Adam Russell"
             },
             {
                "drilldown" : "Ailbhe Tweedie",
-               "y" : 1,
-               "name" : "Ailbhe Tweedie"
+               "name" : "Ailbhe Tweedie",
+               "y" : 1
             },
             {
-               "name" : "Alex Daniel",
                "y" : 2,
+               "name" : "Alex Daniel",
                "drilldown" : "Alex Daniel"
             },
             {
-               "drilldown" : "Ali Moradi",
+               "y" : 2,
                "name" : "Ali Moradi",
-               "y" : 2
+               "drilldown" : "Ali Moradi"
             },
             {
                "drilldown" : "Andrezgz",
@@ -859,19 +849,19 @@
                "y" : 2
             },
             {
-               "drilldown" : "Antonio Gamiz",
+               "y" : 2,
                "name" : "Antonio Gamiz",
-               "y" : 2
+               "drilldown" : "Antonio Gamiz"
             },
             {
+               "drilldown" : "Arne Sommer",
                "y" : 5,
-               "name" : "Arne Sommer",
-               "drilldown" : "Arne Sommer"
+               "name" : "Arne Sommer"
             },
             {
-               "drilldown" : "Arpad Toth",
                "y" : 2,
-               "name" : "Arpad Toth"
+               "name" : "Arpad Toth",
+               "drilldown" : "Arpad Toth"
             },
             {
                "drilldown" : "Athanasius",
@@ -880,8 +870,8 @@
             },
             {
                "drilldown" : "Bob Kleemann",
-               "name" : "Bob Kleemann",
-               "y" : 2
+               "y" : 2,
+               "name" : "Bob Kleemann"
             },
             {
                "drilldown" : "Bob Lied",
@@ -889,59 +879,59 @@
                "y" : 2
             },
             {
-               "y" : 1,
                "name" : "Daniel Mantovani",
+               "y" : 1,
                "drilldown" : "Daniel Mantovani"
             },
             {
-               "drilldown" : "Dave Cross",
                "y" : 3,
-               "name" : "Dave Cross"
+               "name" : "Dave Cross",
+               "drilldown" : "Dave Cross"
             },
             {
-               "name" : "Dave Jacoby",
                "y" : 2,
+               "name" : "Dave Jacoby",
                "drilldown" : "Dave Jacoby"
             },
             {
-               "y" : 2,
+               "drilldown" : "David Kayal",
                "name" : "David Kayal",
-               "drilldown" : "David Kayal"
+               "y" : 2
             },
             {
-               "y" : 2,
+               "drilldown" : "Doug Schrag",
                "name" : "Doug Schrag",
-               "drilldown" : "Doug Schrag"
+               "y" : 2
             },
             {
-               "drilldown" : "Duncan C. White",
                "name" : "Duncan C. White",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "Duncan C. White"
             },
             {
-               "y" : 2,
+               "drilldown" : "Eddy HS",
                "name" : "Eddy HS",
-               "drilldown" : "Eddy HS"
+               "y" : 2
             },
             {
-               "y" : 2,
+               "drilldown" : "Finley",
                "name" : "Finley",
-               "drilldown" : "Finley"
+               "y" : 2
             },
             {
+               "drilldown" : "Fred Zinn",
                "y" : 1,
-               "name" : "Fred Zinn",
-               "drilldown" : "Fred Zinn"
+               "name" : "Fred Zinn"
             },
             {
-               "y" : 2,
+               "drilldown" : "Freddie B",
                "name" : "Freddie B",
-               "drilldown" : "Freddie B"
+               "y" : 2
             },
             {
-               "drilldown" : "Gustavo Chaves",
+               "name" : "Gustavo Chaves",
                "y" : 1,
-               "name" : "Gustavo Chaves"
+               "drilldown" : "Gustavo Chaves"
             },
             {
                "drilldown" : "Jaldhar H. Vyas",
@@ -949,29 +939,29 @@
                "y" : 4
             },
             {
-               "name" : "James Smith",
+               "drilldown" : "James Smith",
                "y" : 4,
-               "drilldown" : "James Smith"
+               "name" : "James Smith"
             },
             {
-               "drilldown" : "Jeff",
+               "name" : "Jeff",
                "y" : 2,
-               "name" : "Jeff"
+               "drilldown" : "Jeff"
             },
             {
-               "drilldown" : "Jeremy Carman",
                "y" : 2,
-               "name" : "Jeremy Carman"
+               "name" : "Jeremy Carman",
+               "drilldown" : "Jeremy Carman"
             },
             {
                "drilldown" : "Jim Bacon",
-               "y" : 1,
-               "name" : "Jim Bacon"
+               "name" : "Jim Bacon",
+               "y" : 1
             },
             {
-               "drilldown" : "JJ Merelo",
                "name" : "JJ Merelo",
-               "y" : 2
+               "y" : 2,
+               "drilldown" : "JJ Merelo"
             },
             {
                "drilldown" : "Jo Christian Oterhals",
@@ -984,14 +974,14 @@
                "name" : "Joelle Maslak"
             },
             {
-               "name" : "John Barrett",
                "y" : 1,
+               "name" : "John Barrett",
                "drilldown" : "John Barrett"
             },
             {
                "drilldown" : "Jorg Sommrey",
-               "name" : "Jorg Sommrey",
-               "y" : 2
+               "y" : 2,
+               "name" : "Jorg Sommrey"
             },
             {
                "drilldown" : "Juan Caballero",
@@ -999,49 +989,49 @@
                "name" : "Juan Caballero"